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Opal Gemstones

Discover natural opal gemstones known for their unique play-of-color and endless variety.

Opal Weight
Opal Size
Opal Clarity
Opal Price

Size Explained

Choose Size or Size Range
For Example: 6-7
For Example: 8-9
Bi-color
Black Opal
Blue
Brown Opal
Golden Opal
Gray
Green Opal
Multicolor Opal
Orange Opal
Pink
Purple
Red Opal
Turquoise
Violet
White Opal
Yellow Opal
Single
Pairs
Lots
Faceted
Cabochons
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2.45ct Multicolor Black Opal, Pear Shape, Opaque

16 x 8 mm (calibrated)

$ 122.50

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28.03ct Multicolor Boulder Opal, Pear Shape, Opaque

27 x 20 mm (calibrated)

$ 259.00

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20.09ct Multicolor Opal, Pear Shape, Opaque

24.1 x 19.7 mm

$ 72.32

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1.57ct Multicolor Opal, Oval, Translucent

10 x 8 mm (calibrated)

$ 73.28

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1.08ct Multicolor Opal, Oval, Translucent

9 x 7 mm (calibrated)

$ 57.02

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5.75ctw Multicolor Opal, Round, Translucent

8 mm (calibrated)

$ 202.91

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13.35ct Multicolor Boulder Opal, Pear Shape, Opaque

21.4 x 15 mm

$ 123.36

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5.87ct Multicolor Black Opal, Pear Shape, Opaque

17.6 x 11.6 mm

$ 211.32

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11.09ct Multicolor Boulder Opal, Trillion, Translucent

20.3 x 16.2 mm

$ 55.45

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1.23ct Multicolor Opal, Oval, Opaque

9 x 7 mm (calibrated)

$ 48.71

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4.59ct Multicolor Black Opal, Oval, Opaque

16.8 x 12.7 mm

$ 165.24

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2.21ct Multicolor Opal, Fancy, Translucent

8 x 8 mm (calibrated)

$ 74.26

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2.67ct Multicolor Black Opal, Oval, Translucent

13 x 9 mm (calibrated)

$ 80.10

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2.08ct Multicolor Black Opal, Sphere / Ball, Opaque

7.5 mm

$ 74.88

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1.36ctw Multicolor Opal, Oval, Opaque

8 x 6 mm (calibrated)

$ 53.86

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1.34ct Multicolor Black Opal, Oval, Translucent

9.7 x 7.4 mm

$ 40.20

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4.44ct Multicolor Opal, Oval, Transparent

15.7 x 10.8 mm

$ 134.48

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1.17ct Multicolor Chocolate Opal, Oval, Translucent

9.9 x 6.7 mm

$ 46.33

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1.55ctw Multicolor Opal, Oval, Transparent

7 x 5 mm (calibrated)

$ 81.84

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0.68ct Multicolor Opal, Pear Shape, Transparent

8.1 x 5.2 mm

$ 20.40

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1.46ct Multicolor Opal, Pear Shape, Transparent

9 x 9 mm (calibrated)

$ 77.09

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0.72ct Multicolor Opal, Oval, Opaque

8.6 x 5.3 mm

$ 23.76

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9.35ct Multicolor Boulder Opal, Fancy, Opaque

17.6 x 14.2 mm

$ 56.10

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1.96ct Multicolor Opal, Fancy, Translucent

12.7 x 6.3 mm

$ 65.86

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Why Buy Opal from GemSelect?

Natural Opal Gemstones

Our natural opal gemstones are carefully selected for their vibrant play-of-color and individuality. Each stone is unique, making opals a favorite among jewelers and collectors.

Loose Opal Gemstones Online

Buy loose opal gemstones online at GemSelect with confidence. We offer detailed photos, transparent descriptions, and secure worldwide shipping.

Loose Opal Gemstones for Jewelry and Collecting

Opal for Jewelry Making

Opal gemstones are ideal for custom jewelry such as rings, pendants, and earrings. Their shifting colors create eye-catching designs unlike any other gemstone.

Australian and Ethiopian Opal

Australian opals are prized for their durability and classic color play, while Ethiopian opals are known for bold patterns and vivid flashes of color.

Faceted Opal Stones

Faceted opal gemstones enhance brilliance and highlight internal color play. These stones are perfect for modern jewelry designs requiring extra sparkle.

Opal Cabochons

Opal cabochons feature smooth, domed surfaces that emphasize color patterns. They are a popular choice for statement jewelry and artistic settings.

Wholesale Opal Gemstones

We offer wholesale opal gemstones for jewelers and designers seeking quality stones at competitive prices, including matched pairs and calibrated sizes.

October Birthstone Opal

Opal is the October birthstone, symbolizing creativity and individuality. It makes a meaningful gift for birthdays and special occasions.

Learn more about opal characteristics, care, and history on our Opal Information Page.

FAQs

What makes opal gemstones unique?

Opals are known for their play-of-color, an optical effect where flashes of color shift with movement and light.

Are GemSelect’s opal gemstones natural?

Yes, all our opal gemstones are natural. Any treatments or stabilizations are clearly disclosed.

Are opals suitable for everyday jewelry?

Opals are best suited for occasional wear. Protective settings are recommended due to their moderate hardness.

What types of opal do you sell?

We offer a wide range including Australian opal, Ethiopian opal, black opal, white opal, fire opal, and boulder opal.

Can I buy opal gemstones in matched pairs?

Yes, we offer matched opal pairs ideal for earrings and custom jewelry designs.

GemSelect Certified Store Reviews

GemSelect: Over 22 Years in the Gemstone Business! Thank you for trusting us with your purchase!

Overall Rating -> 10 star ratings

went well

Posted By Doug in May, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

The website has a good selection, the interface is very intuitive.

Posted By PhoenixFeatherJewelry in January, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

Easy to use. No issues. Large selection of gems.

Posted By CLTCJH in February, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

easy site to navigate

Posted By Curt's Cabochons in June, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

It was easy to navigate

Posted By GemGod in July, 2025
Source: Bizrate

Overall Rating -> 9 star ratings

If you have motion picture, then I will be more satisfied with.

Posted By Ray in November, 2025
Source: Bizrate
Enlarged Gemstone Image